A 45-year-old daily wage worker was found dead under mysterious circumstances in Southwest Delhis Dwarka North area on Tuesday morning. The police have detained his wife and two brothers-in-law on the basis of statements by the neighbours alleging that the deceased was last seen having an argument with the suspects. The deceased identified as Kishan is a resident of Sector-15 Dwarkas JJ colony. According to police,around 7 pm on Monday,Kishan had come home in an inebriated state. Enraged,his wife entered into an argument with him following which she called her two brothers. Neighbours informed that the fight was violent and went on till about 9 pm following which a PCR call was made, said a senior police officer investigating the case. However,on Tuesday around 10.10 am,police received another PCR call from one of the neighbours saying Kishan was lying dead in his room. A team of officers sent to investigate were informed that on Monday night,Kishans wife and her two brothers had locked the Kishan in his bedroom. But in the morning,when the wife opened the door,she found him lying unconscious on his bed, said the officer.